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MitreCVE-2020-25756

HistorySep 18, 2020 - 5:15 a.m.

CVE-2020-25756

2020-09-1805:15:13

CWE-120

mitre

web.nvd.nist.gov

cesanta mongoose

buffer overflow

cve-2020-25756

security vulnerability

nvd

bounds checking

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.5

Confidence

High

EPSS

0.006

Percentile

78.0%

JSON

A buffer overflow vulnerability exists in the mg_get_http_header function in Cesanta Mongoose 6.18 due to a lack of bounds checking. A crafted HTTP header can exploit this bug. NOTE: a committer has stated "this will not happen in practice.

Affected configurations

Nvd

Node

cesantamongooseMatch6.18

VendorProductVersionCPE
cesantamongoose6.18cpe:2.3:a:cesanta:mongoose:6.18:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cesanta	mongoose	6.18	cpe:2.3:a:cesanta:mongoose:6.18:::::::*

References

github.com/cesanta/mongoose/issues/1135

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.5

Confidence

High

EPSS

0.006

Percentile

78.0%

JSON

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